./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:59,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:59,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:59,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:59,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:59,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:59,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:59,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:59,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:59,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:59,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:59,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:59,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:59,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:59,922 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:59,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:59,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:59,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:59,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:59,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:59,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:59,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:59,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:59,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:59,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:59,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:59,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:59,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:59,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:59,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:59,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:59,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:59,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:59,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:59,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:59,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:59,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:59,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:59,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:59,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:59,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:59,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:59,936 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:00,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:00,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:00,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:00,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:00,156 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:00,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-09-11 20:53:02,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:02,238 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:02,239 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-09-11 20:53:02,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d7a499d88/b588f23b04344e988f71ae7806f241c7/FLAG53124e20b [2024-09-11 20:53:02,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d7a499d88/b588f23b04344e988f71ae7806f241c7 [2024-09-11 20:53:02,265 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:02,266 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:02,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:53:02,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:02,307 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:02,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:02,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:02,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:02,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:02" (1/2) ... [2024-09-11 20:53:02,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6759ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:02" (1/2) ... [2024-09-11 20:53:02,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5694f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:02" (2/2) ... [2024-09-11 20:53:02,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6759ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:02" (2/2) ... [2024-09-11 20:53:02,323 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:02,324 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:53:02,325 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:02,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:02,465 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-09-11 20:53:02,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:02,494 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:02,525 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] Start Parsing Local [2024-09-11 20:53:02,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:02,553 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:02,553 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02 WrapperNode [2024-09-11 20:53:02,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:02,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:02,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:02,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:02,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,576 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:53:02,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:02,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:02,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:02,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:02,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (1/1) ... [2024-09-11 20:53:02,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:02,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:02,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:53:02,614 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:53:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:02,697 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:02,699 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:02,804 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:02,847 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:02,847 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:02,877 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:02,877 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:02,877 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:02 BoogieIcfgContainer [2024-09-11 20:53:02,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:02,878 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:02,878 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:02,879 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:02,879 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:02" (1/4) ... [2024-09-11 20:53:02,879 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@691a81e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,879 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:02" (2/4) ... [2024-09-11 20:53:02,880 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@691a81e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,880 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:02" (3/4) ... [2024-09-11 20:53:02,880 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@691a81e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:02, skipping insertion in model container [2024-09-11 20:53:02,880 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:02" (4/4) ... [2024-09-11 20:53:02,882 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound50.c [2024-09-11 20:53:02,885 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:02,886 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:02,887 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:53:02,919 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:02,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:02,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:02,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:02,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:02,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,961 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:02,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:02,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:02,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:02,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:02,972 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:02,987 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:03,004 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:03,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,004 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,012 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:03,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,018 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:03,027 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:03,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,027 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,033 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:03,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,037 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:03,049 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:03,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,050 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,071 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:03,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,080 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:03,106 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:03,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,111 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:03,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,115 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:03,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:03,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,136 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:03,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,139 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:03,147 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:03,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:03,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:03,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:03,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:03,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,161 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:03,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:03,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:03,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:03,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:03,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:03,165 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:03,168 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:03,168 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@691a81e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:03, skipping insertion in model container [2024-09-11 20:53:03,168 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:03,171 INFO L158 Benchmark]: Toolchain (without parser) took 862.19ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 100.7MB in the beginning and 181.5MB in the end (delta: -80.8MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-09-11 20:53:03,171 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:03,172 INFO L158 Benchmark]: Witness Parser took 0.79ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:03,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.79ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 87.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:03,173 INFO L158 Benchmark]: Boogie Preprocessor took 32.70ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:03,173 INFO L158 Benchmark]: RCFGBuilder took 289.68ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 69.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:03,173 INFO L158 Benchmark]: Referee took 290.93ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 69.9MB in the beginning and 181.5MB in the end (delta: -111.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:03,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.79ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.79ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 87.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.70ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.68ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 69.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 290.93ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 69.9MB in the beginning and 181.5MB in the end (delta: -111.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:03,199 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:53:04,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:05,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:05,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:05,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:05,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:05,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:05,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:05,050 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:05,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:05,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:05,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:05,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:05,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:05,051 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:05,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:05,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:05,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:05,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:05,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:05,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:05,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:05,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:05,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:05,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:05,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:05,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:05,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:05,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:05,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:05,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:05,059 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:05,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:05,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:05,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:05,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:05,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:05,062 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:05,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:05,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:05,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:05,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:05,318 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:05,319 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:05,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:53:05,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:05,361 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:05,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-09-11 20:53:06,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:06,836 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:06,837 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-09-11 20:53:06,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d89b9c53e/b5ad20aae127456f82a07418ba602b4f/FLAG79cf1fd23 [2024-09-11 20:53:07,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d89b9c53e/b5ad20aae127456f82a07418ba602b4f [2024-09-11 20:53:07,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:07,249 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:07,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:07,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:07,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:07,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:05" (1/2) ... [2024-09-11 20:53:07,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6607b662 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:05" (1/2) ... [2024-09-11 20:53:07,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62891e6d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:07" (2/2) ... [2024-09-11 20:53:07,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6607b662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:07" (2/2) ... [2024-09-11 20:53:07,266 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:07,268 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:53:07,269 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:07,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:07,388 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-09-11 20:53:07,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:07,414 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:07,446 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] Start Parsing Local [2024-09-11 20:53:07,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:07,479 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:07,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07 WrapperNode [2024-09-11 20:53:07,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:07,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:07,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:07,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:07,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,507 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:53:07,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:07,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:07,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:07,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:07,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (1/1) ... [2024-09-11 20:53:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:07,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:07,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:53:07,561 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:53:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:07,654 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:07,656 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:15,655 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:15,785 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:15,786 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:15,800 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:15,801 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:15,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:15 BoogieIcfgContainer [2024-09-11 20:53:15,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:15,801 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:15,802 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:15,802 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:15,802 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:05" (1/4) ... [2024-09-11 20:53:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572b90f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:07" (2/4) ... [2024-09-11 20:53:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572b90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:07" (3/4) ... [2024-09-11 20:53:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572b90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:15" (4/4) ... [2024-09-11 20:53:15,808 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound50.c [2024-09-11 20:53:15,810 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:15,811 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:53:15,811 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:15,811 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:53:15,811 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:15,813 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:15,815 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:15,815 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:15,816 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:15,867 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:15,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:15,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:15,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:15,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:15,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,922 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:15,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:15,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:15,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:15,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:20,298 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:20,416 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:20,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:20,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:20,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:20,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:20,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,423 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:20,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:20,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:20,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:20,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:20,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,810 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:24,939 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:24,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,945 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:24,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,945 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,952 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:24,960 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:24,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,989 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:24,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:29,776 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:30,000 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:30,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:30,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:30,001 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:30,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:30,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,003 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:30,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:30,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:30,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:30,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:30,005 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:30,012 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:30,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:30,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:30,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:30,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:30,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,013 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:30,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:30,014 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:30,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:30,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:30,015 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:30,022 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:30,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:30,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:30,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:30,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:30,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,037 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:30,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,038 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:30,039 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:30,039 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:30,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:30,040 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:30,043 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:30,044 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@572b90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:30, skipping insertion in model container [2024-09-11 20:53:30,044 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:30,046 INFO L158 Benchmark]: Toolchain (without parser) took 22795.77ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.4MB in the beginning and 37.5MB in the end (delta: 8.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:30,046 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:30,046 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:30,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.27ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 31.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:30,048 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 49.5MB in the end (delta: -17.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:30,049 INFO L158 Benchmark]: RCFGBuilder took 8267.50ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 31.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:30,050 INFO L158 Benchmark]: Referee took 14243.00ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.9MB in the beginning and 37.5MB in the end (delta: -5.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-11 20:53:30,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.65ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.27ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 31.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 49.5MB in the end (delta: -17.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8267.50ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 31.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 14243.00ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.9MB in the beginning and 37.5MB in the end (delta: -5.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:30,212 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN